Modulator for digital microwave transmitter

Details Modulator for digital microwave transmitter Modulator for digital microwave transmitter

1975-01-31

1976-06-29

Kominski, John

Modulators

Amplitude modulator

Nonlinear device controlled by modulating signal

325 38A, 332 16R, 332 29R, 333 31R, H03C 300

Patent

active

039672174

ABSTRACT:
A microwave modulator especially adapted for use in a digital microwave transmitter and capable of operation over a broad range of data rates and carrier frequencies. The modulator is operative with a multiple level modulation signal having zero average amplitude and provides in response thereto a multiple phase coded signal having zero average phase. A plurality of microwave diodes are disposed in spaced relation along a transmission line and are operative in response to control inputs derived from the modulation signal as signal reflection means to phase modulate the microwave carrier signal.

REFERENCES:
patent: 3182203 (1965-05-01), Miller
patent: 3437958 (1969-04-01), Shaw et al.
patent: 3460067 (1969-08-01), Burnsweig
patent: 3506930 (1970-04-01), Gantick
patent: 3562672 (1971-02-01), Sugimoto et al.
patent: 3656069 (1972-04-01), Beccone et al.

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